package com.leon.datalink.core.persistence;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
import java.util.Arrays;

/**
 * DataLink Actor持久化功能第七阶段综合测试
 * 
 * 测试生产环境优化和企业级功能增强：
 * - 生产级性能优化测试
 * - 企业级安全增强测试
 * - 高可用性架构测试
 * - 集成功能验证测试
 * 
 * @author DataLink Team
 * @version 1.0.0
 */
public class Phase7ComprehensiveTest {
    
    private static final Logger logger = LoggerFactory.getLogger(Phase7ComprehensiveTest.class);
    
    public static void main(String[] args) {
        Phase7ComprehensiveTest test = new Phase7ComprehensiveTest();
        test.runComprehensiveTest();
    }
    
    public void runComprehensiveTest() {
        logger.info("=== DataLink Actor持久化功能第七阶段综合测试 ===");
        
        boolean allTestsPassed = true;
        
        try {
            // 1. 生产级性能优化测试
            logger.info("1. 开始生产级性能优化测试...");
            boolean performanceTestPassed = testProductionPerformanceOptimizer();
            allTestsPassed &= performanceTestPassed;
            logger.info("✅ 生产级性能优化测试{}", performanceTestPassed ? "通过" : "失败");
            
            // 2. 企业级安全增强测试
            logger.info("2. 开始企业级安全增强测试...");
            boolean securityTestPassed = testEnterpriseSecurityManager();
            allTestsPassed &= securityTestPassed;
            logger.info("✅ 企业级安全增强测试{}", securityTestPassed ? "通过" : "失败");
            
            // 3. 高可用性架构测试
            logger.info("3. 开始高可用性架构测试...");
            boolean haTestPassed = testHighAvailabilityManager();
            allTestsPassed &= haTestPassed;
            logger.info("✅ 高可用性架构测试{}", haTestPassed ? "通过" : "失败");
            
            // 4. 集成功能验证测试
            logger.info("4. 开始集成功能验证测试...");
            boolean integrationTestPassed = testIntegratedFunctionality();
            allTestsPassed &= integrationTestPassed;
            logger.info("✅ 集成功能验证测试{}", integrationTestPassed ? "通过" : "失败");
            
            // 5. 企业级就绪性验证
            logger.info("5. 开始企业级就绪性验证...");
            boolean readinessTestPassed = testEnterpriseReadiness();
            allTestsPassed &= readinessTestPassed;
            logger.info("✅ 企业级就绪性验证{}", readinessTestPassed ? "通过" : "失败");
            
        } catch (Exception e) {
            logger.error("测试过程中发生异常", e);
            allTestsPassed = false;
        }
        
        // 输出最终结果
        logger.info("=== 第七阶段综合测试完成 ===");
        if (allTestsPassed) {
            logger.info("🎉 所有测试通过！DataLink Actor持久化功能第七阶段实施成功！");
        } else {
            logger.error("❌ 部分测试失败，需要进一步检查和修复");
        }
    }
    
    /**
     * 测试生产级性能优化器
     */
    private boolean testProductionPerformanceOptimizer() {
        try {
            ProductionPerformanceOptimizer optimizer = ProductionPerformanceOptimizer.getInstance();
            
            // 测试多级缓存
            optimizer.putCachedValue("test-key-1", "test-value-1");
            String cachedValue = optimizer.getCachedValue("test-key-1", String.class);
            if (!"test-value-1".equals(cachedValue)) {
                logger.error("缓存测试失败：期望 'test-value-1'，实际 '{}'", cachedValue);
                return false;
            }
            
            // 测试缓存未命中
            String missedValue = optimizer.getCachedValue("non-existent-key", String.class);
            if (missedValue != null) {
                logger.error("缓存未命中测试失败：期望 null，实际 '{}'", missedValue);
                return false;
            }
            
            // 测试智能预加载
            TestDataLoader dataLoader = new TestDataLoader();
            CompletableFuture<Void> preloadFuture = optimizer.preloadData("test-pattern", dataLoader);
            preloadFuture.get(5, TimeUnit.SECONDS); // 等待预加载完成
            
            // 验证预加载的数据
            String preloadedValue = optimizer.getCachedValue("preload-key-1", String.class);
            if (!"preload-value-1".equals(preloadedValue)) {
                logger.error("预加载测试失败：期望 'preload-value-1'，实际 '{}'", preloadedValue);
                return false;
            }
            
            // 获取性能统计
            ProductionPerformanceOptimizer.PerformanceStats stats = optimizer.getPerformanceStats();
            logger.info("性能统计: {}", stats);
            
            if (stats.getCacheHits() < 2) {
                logger.error("缓存命中次数不足：期望 >= 2，实际 {}", stats.getCacheHits());
                return false;
            }
            
            logger.info("生产级性能优化器测试通过");
            return true;
            
        } catch (Exception e) {
            logger.error("生产级性能优化器测试失败", e);
            return false;
        }
    }
    
    /**
     * 测试企业级安全管理器
     */
    private boolean testEnterpriseSecurityManager() {
        try {
            EnterpriseSecurityManager securityManager = EnterpriseSecurityManager.getInstance();
            
            // 测试数据加密和解密
            String originalData = "敏感数据测试内容";
            String encryptedData = securityManager.encryptData(originalData);
            String decryptedData = securityManager.decryptData(encryptedData);
            
            if (!originalData.equals(decryptedData)) {
                logger.error("加密解密测试失败：期望 '{}'，实际 '{}'", originalData, decryptedData);
                return false;
            }
            
            // 测试用户权限管理
            securityManager.addUser("test-user", "admin");
            boolean hasPermission = securityManager.checkPermission("test-user", "persistence.read");
            if (!hasPermission) {
                logger.error("权限检查失败：用户应该有 persistence.read 权限");
                return false;
            }
            
            boolean hasNoPermission = securityManager.checkPermission("test-user", "non-existent-permission");
            if (hasNoPermission) {
                logger.error("权限检查失败：用户不应该有 non-existent-permission 权限");
                return false;
            }
            
            // 测试审计日志
            securityManager.logAuditEvent("TEST_EVENT", "test-user", "测试审计日志");
            
            // 测试合规报告
            EnterpriseSecurityManager.ComplianceReport report = securityManager.generateComplianceReport();
            logger.info("合规报告 - 加密操作: {}, 解密操作: {}, 安全评分: {:.2f}%", 
                report.getEncryptionOps(), report.getDecryptionOps(), report.getSecurityScore());
            
            if (report.getEncryptionOps() < 1 || report.getDecryptionOps() < 1) {
                logger.error("合规报告数据不正确");
                return false;
            }
            
            // 测试安全扫描
            EnterpriseSecurityManager.SecurityScanResult scanResult = securityManager.performSecurityScan();
            logger.info("安全扫描结果 - 风险级别: {}, 漏洞数量: {}, 建议数量: {}", 
                scanResult.getRiskLevel(), scanResult.getVulnerabilities().size(), scanResult.getRecommendations().size());
            
            logger.info("企业级安全管理器测试通过");
            return true;
            
        } catch (Exception e) {
            logger.error("企业级安全管理器测试失败", e);
            return false;
        }
    }
    
    /**
     * 测试高可用性管理器
     */
    private boolean testHighAvailabilityManager() {
        try {
            HighAvailabilityManager haManager = HighAvailabilityManager.getInstance();
            
            // 测试集群节点管理
            haManager.joinCluster("node-1", "192.168.1.100:8080");
            haManager.joinCluster("node-2", "192.168.1.101:8080");
            haManager.joinCluster("node-3", "192.168.1.102:8080");
            
            // 等待一段时间让心跳和复制任务运行
            Thread.sleep(2000);
            
            // 获取集群状态
            HighAvailabilityManager.ClusterStatus status = haManager.getClusterStatus();
            logger.info("集群状态 - 状态: {}, 主节点: {}, 活跃节点: {}/{}", 
                status.getState(), status.getPrimaryNodeId(), status.getActiveNodes(), status.getTotalNodes());
            
            if (status.getActiveNodes() < 1) {
                logger.error("集群活跃节点数量不足：期望 >= 1，实际 {}", status.getActiveNodes());
                return false;
            }
            
            if (status.getPrimaryNodeId() == null) {
                logger.error("集群主节点未设置");
                return false;
            }
            
            // 测试节点离开
            haManager.leaveCluster("node-3");
            
            // 再次检查状态
            Thread.sleep(1000);
            HighAvailabilityManager.ClusterStatus updatedStatus = haManager.getClusterStatus();
            logger.info("更新后集群状态 - 活跃节点: {}/{}", 
                updatedStatus.getActiveNodes(), updatedStatus.getTotalNodes());
            
            logger.info("高可用性管理器测试通过");
            return true;
            
        } catch (Exception e) {
            logger.error("高可用性管理器测试失败", e);
            return false;
        }
    }
    
    /**
     * 测试集成功能
     */
    private boolean testIntegratedFunctionality() {
        try {
            // 测试各组件之间的集成
            ProductionPerformanceOptimizer optimizer = ProductionPerformanceOptimizer.getInstance();
            EnterpriseSecurityManager securityManager = EnterpriseSecurityManager.getInstance();
            HighAvailabilityManager haManager = HighAvailabilityManager.getInstance();
            
            // 测试安全加密与缓存的集成
            String sensitiveData = "集成测试敏感数据";
            String encryptedData = securityManager.encryptData(sensitiveData);
            optimizer.putCachedValue("encrypted-data", encryptedData);
            
            String cachedEncryptedData = optimizer.getCachedValue("encrypted-data", String.class);
            String decryptedData = securityManager.decryptData(cachedEncryptedData);
            
            if (!sensitiveData.equals(decryptedData)) {
                logger.error("安全加密与缓存集成测试失败");
                return false;
            }
            
            // 测试高可用性与性能监控的集成
            HighAvailabilityManager.ClusterStatus clusterStatus = haManager.getClusterStatus();
            ProductionPerformanceOptimizer.PerformanceStats perfStats = optimizer.getPerformanceStats();
            
            logger.info("集成状态 - 集群节点: {}, 缓存命中率: {:.2f}%", 
                clusterStatus.getActiveNodes(), perfStats.getHitRate() * 100);
            
            // 记录集成测试审计日志
            securityManager.logAuditEvent("INTEGRATION_TEST", "system", 
                String.format("集成测试完成 - 集群节点: %d, 缓存命中率: %.2f%%", 
                    clusterStatus.getActiveNodes(), perfStats.getHitRate() * 100));
            
            logger.info("集成功能验证测试通过");
            return true;
            
        } catch (Exception e) {
            logger.error("集成功能验证测试失败", e);
            return false;
        }
    }
    
    /**
     * 测试企业级就绪性
     */
    private boolean testEnterpriseReadiness() {
        try {
            // 性能要求验证
            ProductionPerformanceOptimizer optimizer = ProductionPerformanceOptimizer.getInstance();
            ProductionPerformanceOptimizer.PerformanceStats perfStats = optimizer.getPerformanceStats();
            
            // 模拟性能测试
            long startTime = System.currentTimeMillis();
            for (int i = 0; i < 1000; i++) {
                optimizer.putCachedValue("perf-test-" + i, "value-" + i);
                optimizer.getCachedValue("perf-test-" + i, String.class);
            }
            long endTime = System.currentTimeMillis();
            
            double throughput = 2000.0 / (endTime - startTime) * 1000; // ops/s
            double latency = (double)(endTime - startTime) / 2000; // ms per operation
            
            logger.info("性能测试结果 - 吞吐量: {:.0f} ops/s, 延迟: {:.2f} ms", throughput, latency);
            
            // 企业级性能要求：吞吐量 > 10000 ops/s, 延迟 < 1ms
            if (throughput < 10000) {
                logger.warn("吞吐量未达到企业级要求：期望 > 10000 ops/s，实际 {:.0f} ops/s", throughput);
            }
            
            if (latency > 1.0) {
                logger.warn("延迟未达到企业级要求：期望 < 1ms，实际 {:.2f} ms", latency);
            }
            
            // 安全合规验证
            EnterpriseSecurityManager securityManager = EnterpriseSecurityManager.getInstance();
            EnterpriseSecurityManager.ComplianceReport complianceReport = securityManager.generateComplianceReport();
            
            if (complianceReport.getSecurityScore() < 90.0) {
                logger.warn("安全评分未达到企业级要求：期望 >= 90%，实际 {:.2f}%", complianceReport.getSecurityScore());
            }
            
            // 高可用性验证
            HighAvailabilityManager haManager = HighAvailabilityManager.getInstance();
            HighAvailabilityManager.ClusterStatus clusterStatus = haManager.getClusterStatus();
            
            if (clusterStatus.getState() != HighAvailabilityManager.ClusterState.ACTIVE) {
                logger.warn("集群状态不是活跃状态：{}", clusterStatus.getState());
            }
            
            logger.info("企业级就绪性验证完成");
            logger.info("- 性能指标：吞吐量 {:.0f} ops/s，延迟 {:.2f} ms", throughput, latency);
            logger.info("- 安全评分：{:.2f}%", complianceReport.getSecurityScore());
            logger.info("- 集群状态：{}", clusterStatus.getState());
            
            return true;
            
        } catch (Exception e) {
            logger.error("企业级就绪性验证失败", e);
            return false;
        }
    }
    
    /**
     * 测试数据加载器实现
     */
    private static class TestDataLoader implements ProductionPerformanceOptimizer.DataLoader {
        @Override
        public List<String> getKeysForPattern(String pattern) {
            return Arrays.asList("preload-key-1", "preload-key-2", "preload-key-3");
        }
        
        @Override
        public Map<String, Object> loadBatch(List<String> keys) {
            Map<String, Object> result = new HashMap<>();
            for (String key : keys) {
                result.put(key, key.replace("key", "value"));
            }
            return result;
        }
    }
}
